[Add] Now you can define start mission in start.xml, also began initial tutorial level.

TODO

@@ -1,4 +1,7 @@
 Vital:
+  
+  -- CHECK MISSIONS OUT!! BORKED!!
+
   -- New game improvements.
     -- Introductory screen (text + image?).
     -- Tutorial or small guide.
@@ -53,5 +56,5 @@ Minor:
     -- Possibly use Queso CGL
 
 SOMEDAY!! MAYBE...:
-	-- 3d models (not actually 3D, just no sprites).
+	-- 3d models (not actually a 3D perspective, just no sprites).
 

dat/mission.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Missions>
- <mission name="Welcome">
+ <mission name="Tutorial">
-  <lua>welcome</lua>
+  <lua>tutorial</lua>
   <flags>
    <unique>1</unique>
   </flags>

dat/missions/tutorial.lua

@@ -0,0 +1,31 @@
+--[[
+--    The beginner player tutorial.
+--
+--    Does simple stuff like teach the player to fly around or use
+--    her communications system.
+--]]
+
+-- Localization stuff, translators would work here.
+lang = lephisto.lang()
+if lang == "es" then
+else -- Default English.
+  title       = {}
+  title[1]    = "Tutorial"
+  text        = {}
+  text[1]     = "Would you like to run the Tutorial to learn how to play Lephisto?"
+  misn_title  = "Lephisto Tutorial"
+  misn_reward = "Knowledge of how to play the game."
+  misn_desc   = "New Player Tutorial to learn how to survive in the universe."
+end
+
+function create()
+  if tk.yesno(title[1], text[1]) then
+    misn.accept()
+
+    -- Set basic mission information.
+    misn.setTitle(misn_title)
+    misn.setReward(misn_reward)
+    misn.setDesc(misn_desc)
+  end
+end
+

dat/start.xml

@@ -13,8 +13,9 @@
   </date>
   <system>
    <name>Delta Pavonis</name>
-   <x>0</x>
+   <x>150</x>
-   <y>0</y>
+   <y>150</y>
-  </system>
+ </system>
+ <mission>Tutorial</mission>
  </player>
 </Start>

src/mission.c

@@ -82,7 +82,7 @@ int mission_getID(char* name) {
 
 /* Get a MissionData based on ID. */
 MissionData* mission_get(int id) {
-  if((id <= 0) || (mission_nstack < id)) return NULL;
+  if((id < 0) || (id >= mission_nstack)) return NULL;
   return &mission_stack[id];
 }
 
@@ -260,6 +260,30 @@ void missions_bar(int faction, char* planet, char* sysname) {
   }
 }
 
+/**
+ * @brief Starts a mission.
+ *
+ * Mission must still call misn.accept() to actually get added to the players
+ * active missions.
+ *    @param name Name of the mission to start.
+ *    @return 0 on success.
+ */
+int mission_start(char* name) {
+  Mission mission;
+  MissionData* mdat;
+
+  /* Try to get the mission. */
+  mdat = mission_get(mission_getID(name));
+  if(mdat == NULL)
+    return -1;
+
+  /* Try to run the mission.
+  mission_init(&mission, mdat, 0);
+  mission_cleanup(&mission); /* Clean up in case not accepted. */
+
+  return 0;
+}
+
 /* Mark all active systems that need marking. */
 void mission_sysMark(void) {
   int i;

src/mission.h

@@ -76,6 +76,7 @@ Mission* missions_computer(int* n, int faction, char* planet, char* sysname);
 /* Player accepted mission - mission computer. */
 int mission_accept(Mission* mission);
 void missions_bar(int faction, char* planet, char* sysname);
+int missions_start(char* name);
 
 /* Misc. */
 void missions_update(const double dt);

src/player.c

@@ -56,6 +56,7 @@ Pilot* player = NULL;                   /**< The player. */
 static Ship* player_ship = NULL;        /**< Temp ship to hold when naming it. */
 static double player_px, player_py, player_vx, player_vy, player_dir; /**< More hack. */
 static int player_credits = 0;          /**< Temp hack on create. */
+static char* player_mission = NULL;     /**< More hack. */
 
 /*
  * Player sounds.
@@ -274,6 +275,14 @@ void player_new(void) {
     return;
 
   intro_display();
+
+  /* Add the mission if found. */
+  if(player_mission != NULL) {
+    if(mission_start(player_mission) < 0)
+      WARN("Failed to run start mission '%s'.", player_mission);
+    free(player_mission);
+    player_mission = NULL;
+  }
 }
 
 /**
@@ -288,7 +297,9 @@ static int player_newMake(void) {
   int l, h, tl, th;
   double x, y;
 
+  /* Sane defaults. */
   sysname = NULL;
+  player_mission = NULL;
 
   buf = pack_readfile(DATA, START_DATA, &bufsize);
 
@@ -339,10 +350,19 @@ static int player_newMake(void) {
             xmlr_int(tmp, "high", th);
           } while(xml_nextNode(tmp));
         }
+        /* Check for mission. */
+        if(xml_isNode(cur, "mission")) {
+          if(player_mission != NULL) {
+            WARN("start.xml already contains a mission node!");
+            continue;
+          }
+          player_mission = strdup(xml_get(cur));
+        }
       } while((cur = cur->next));
     }
   }while((node = node->next));
 
+  /* Clean up. */
   xmlFreeDoc(doc);
   free(buf);